61569864b0
Co-Authored-By: Benjamin Dauphin <benjamin.dauphin@live.fr> Co-Authored-By: Gilles Henaux <gill.henaux@gmail.com>
152 lines
4.1 KiB
Bash
Executable File
152 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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#
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# This script creates a bootable image and should at some point in the future
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# be replaced by the proper NetBSD infrastructure.
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#
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#
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# Source settings if present
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#
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: ${SETTINGS_MINIX=.settings}
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if [ -f "${SETTINGS_MINIX}" ]
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then
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echo "Sourcing settings from ${SETTINGS_MINIX}"
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# Display the content (so we can check in the build logs
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# what the settings contain.
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cat ${SETTINGS_MINIX} | sed "s,^,CONTENT ,g"
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. ${SETTINGS_MINIX}
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fi
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BSP_NAME=rpi
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: ${ARCH=evbearm-el}
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: ${TOOLCHAIN_TRIPLET=arm-elf32-minix-}
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: ${BUILDSH=build.sh}
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: ${SETS="minix-base"}
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: ${IMG=minix_arm_sd_rpi.img}
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# ARM definitions:
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: ${BUILDVARS=-V MKGCCCMDS=yes -V MKLLVM=no}
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# These BUILDVARS are for building with LLVM:
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#: ${BUILDVARS=-V MKLIBCXX=no -V MKKYUA=no -V MKATF=no -V MKLLVMCMDS=no}
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if [ ! -f ${BUILDSH} ]
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then
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echo "Please invoke me from the root source dir, where ${BUILDSH} is."
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exit 1
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fi
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# we create a disk image of about 2 gig's
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# for alignment reasons, prefer sizes which are multiples of 4096 bytes
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: ${FAT_START=4096}
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: ${FAT_SIZE=$(( 64*(2**20) - ${FAT_START} ))}
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: ${ROOT_SIZE=$(( 64*(2**20) ))}
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: ${HOME_SIZE=$(( 128*(2**20) ))}
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: ${USR_SIZE=$(( 1792*(2**20) ))}
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#: ${IMG_SIZE=$(( 2*(2**30) ))} # no need to build an image that big for now
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: ${IMG_SIZE=$(( 64*(2**20) ))}
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# set up disk creation environment
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. releasetools/image.defaults
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. releasetools/image.functions
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${RELEASETOOLSDIR}/checkout_repo.sh -o ${RELEASETOOLSDIR}/rpi-firmware -b ${RPI_FIRMWARE_BRANCH} -n ${RPI_FIRMWARE_REVISION} ${RPI_FIRMWARE_URL}
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# where the kernel & boot modules will be
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MODDIR=${DESTDIR}/boot/minix/.temp
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echo "Building work directory..."
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build_workdir "$SETS"
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# IMG might be a block device
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if [ -f ${IMG} ]
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then
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rm -f ${IMG}
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fi
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dd if=/dev/zero of=${IMG} bs=512 count=1 seek=$((($IMG_SIZE / 512) -1)) 2>/dev/null
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#
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# Generate /root, /usr and /home partition images.
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#
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echo "Writing disk image..."
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#
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# Write FAT bootloader partition
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#
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echo " * BOOT"
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rm -rf ${ROOT_DIR}/*
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# copy over all modules
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for i in ${MODDIR}/*
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do
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cp $i ${ROOT_DIR}/$(basename $i).elf
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done
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${CROSS_PREFIX}objcopy ${OBJ}/minix/kernel/kernel -O binary ${ROOT_DIR}/kernel.bin
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# create packer
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${CROSS_PREFIX}as ${RELEASETOOLSDIR}/rpi-bootloader/bootloader2.S -o ${RELEASETOOLSDIR}/rpi-bootloader/bootloader2.o
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${CROSS_PREFIX}as ${RELEASETOOLSDIR}/rpi-bootloader/bootloader3.S -o ${RELEASETOOLSDIR}/rpi-bootloader/bootloader3.o
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${CROSS_PREFIX}ld ${RELEASETOOLSDIR}/rpi-bootloader/bootloader2.o -o ${RELEASETOOLSDIR}/rpi-bootloader/bootloader2.elf -Ttext=0x8000 2> /dev/null
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${CROSS_PREFIX}ld ${RELEASETOOLSDIR}/rpi-bootloader/bootloader3.o -o ${RELEASETOOLSDIR}/rpi-bootloader/bootloader3.elf -Ttext=0x8000 2> /dev/null
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${CROSS_PREFIX}objcopy -O binary ${RELEASETOOLSDIR}/rpi-bootloader/bootloader2.elf ${ROOT_DIR}/minix_rpi2.bin
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${CROSS_PREFIX}objcopy -O binary ${RELEASETOOLSDIR}/rpi-bootloader/bootloader3.elf ${ROOT_DIR}/minix_rpi3.bin
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# pack modules
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(cd ${ROOT_DIR} && cat <<EOF | cpio -o --format=newc >> ${ROOT_DIR}/minix_rpi2.bin 2>/dev/null
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kernel.bin
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mod01_ds.elf
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mod02_rs.elf
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mod03_pm.elf
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mod04_sched.elf
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mod05_vfs.elf
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mod06_memory.elf
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mod07_tty.elf
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mod08_mib.elf
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mod09_vm.elf
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mod10_pfs.elf
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mod11_mfs.elf
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mod12_init.elf
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EOF
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)
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(cd ${ROOT_DIR} && cat <<EOF | cpio -o --format=newc >> ${ROOT_DIR}/minix_rpi3.bin 2>/dev/null
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kernel.bin
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mod01_ds.elf
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mod02_rs.elf
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mod03_pm.elf
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mod04_sched.elf
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mod05_vfs.elf
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mod06_memory.elf
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mod07_tty.elf
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mod08_mib.elf
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mod09_vm.elf
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mod10_pfs.elf
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mod11_mfs.elf
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mod12_init.elf
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EOF
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)
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cp -r releasetools/rpi-firmware/* ${ROOT_DIR}
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# Write GPU config file
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cat <<EOF >${ROOT_DIR}/config.txt
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[pi3]
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kernel=minix_rpi3.bin
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enable_uart=1
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dtoverlay=pi3-disable-bt
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[pi2]
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kernel=minix_rpi2.bin
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EOF
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${CROSS_TOOLS}/nbmakefs -t msdos -s $FAT_SIZE -O $FAT_START -o "F=32,c=1" ${IMG} ${ROOT_DIR} >/dev/null
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#
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# Write the partition table using the natively compiled
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# minix partition utility
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#
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${CROSS_TOOLS}/nbpartition -f -m ${IMG} $((${FAT_START}/512)) "c:$((${FAT_SIZE}/512))*"
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echo ""
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echo "Disk image at `pwd`/${IMG}"
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echo ""
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echo "To boot this image on kvm:"
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echo "qemu-system-arm -M raspi2 -drive if=sd,cache=writeback,format=raw,file=$(pwd)/${IMG} -bios ${ROOT_DIR}/minix_rpi2.bin"
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